Home / 480,056.51-719,581.81-223,677.68

Finding the Fourth Proportional to 480,056.51, 719,581.81 and 223,677.68

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Solution

The fourth proportional to 480,056.51, 719,581.81 and 223,677.68 is: 335,282.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,056.51 : 719,581.81 = 223,677.68 : x
  2. Step 2: Convert to fraction form
    480,056.51/719,581.81 = 223,677.68/x
  3. Step 3: Cross multiply
    480,056.51x = 719,581.81 × 223,677.68
  4. Step 4: Simplify right side
    480,056.51x = 160,954,389,831.00
  5. Step 5: Solve for x
    x = 160,954,389,831.00/480,056.51
  6. Step 6: Final answer
    x = 335,282.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.